Home / 486,325.22-671,126.23-282,426.27

Finding the Fourth Proportional to 486,325.22, 671,126.23 and 282,426.27

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Solution

The fourth proportional to 486,325.22, 671,126.23 and 282,426.27 is: 389,746.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    486,325.22 : 671,126.23 = 282,426.27 : x
  2. Step 2: Convert to fraction form
    486,325.22/671,126.23 = 282,426.27/x
  3. Step 3: Cross multiply
    486,325.22x = 671,126.23 × 282,426.27
  4. Step 4: Simplify right side
    486,325.22x = 189,543,677,838.06
  5. Step 5: Solve for x
    x = 189,543,677,838.06/486,325.22
  6. Step 6: Final answer
    x = 389,746.76

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.